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Simply Extend, A Leading House Extension Builder in Birmingham & West Midlands
We specialise in kitchen extensions, side return extensions and bespoke house extensions in Birmingham. Make your house work for you and your family by making use of the space you have with a customised extension. We do things a little differently to other extension builders, we offer all our customers an all-in-one design, build and project management package with fixed prices that are value for money. Contact us today on freephone 0800 917 75711 or fill out this form for a free site survey.
West Midlands, Simply Extend Client Testimonial

Your dream kitchen extension in Birmingham & West Midlands

We have created beautiful kitchen extensions that not only gives families and homeowners the space they crave, but we design them to ensure every last inch of space is used wisely. From tucked away utility rooms to skylights that fill what would be a dark space with light – we have innovative designers that work with you to create the best space possible. Many of our projects have featured in publications such as Your Home, Real Homes, Metro and The Sunday Times.
The types of extensions we can carry out are:
- Side return extension
- Wrap-around extension
- Rear extension
- Double storey extensions
- Kitchen extension

We can advise you on what the best option is for your home, needs and budget. We offer all-in-one House extensions packages in:
| Aston | Bromsgrove | Cotteridge |
|---|---|---|
| Edgbaston | Erdington | Harborne |
| Henley-in-Arden | Kenilworth | Leamington Spa |
| Lichfield | Moseley | Solihull |
| Stourbridge | Stratford-upon-Avon | Studley |
| Sutton Coldfield | Walsall | Warwick |
House Extension Cost
Unlike many extension builders, we offer an all-in-one home extension package that includes:
- Fixed prices
- Design and planning
- Project management
- Build
- Simply client dashboard
- Dedicated customer service
How much a house extension will cost depends on what you want, how big the extension is, types of materials you wish to use and the type of property you have. Once a free, no obligation site survey has taken place we will send you a breakdown of the costs with a quotation. If you decided to have your Birmingham house extension built by us, then you will sign a contract for a fixed fee that is based on the specifications outlined in the contact. If there are any major changes to the specification there may be an extra fee. For more information on how we work click here.
Why Choose Simply Extend?
A house extension can be a cost-effective way of adding square footage to your home without having to move and with our all-in-one, fixed fee package there won’t be any nasty surprises. We use approved local contractors that meet our high expectations. All clients will have access to their own project management hub, where they can keep tabs on what is going on. Headed by husband and wife team Helen and Rob, Simply Extend have over 10 years’ experience of delivering high-quality extensions that exceed client’s expectations. Start the ball rolling on your own house extension today contact us for a free site survey.
How much will your kitchen or home extension build cost?
An extension in Birmingham will cost you usually up from £35,000. However, the price of an extension depends on the choice of extension you choose and a few other factors. Get A Free Quote Today.
Why are we Birmingham & West Midlands Leading house extension builders?
Our portfolio contains the most beautiful and well built house extensions seen throughout Birmingham. We provide fully bespoke kitchen or house extension designs that are affordable and are exactly tailored to what you want! 10 year satisfaction warranty. Get A Quote.
Side Return Extensions

Side Return Extension
Side return extensions in Birmingham are a common choice of extension because of how well these types of extension extend the size of your property. Increasing your home length-ways and sideways, a side return extension will increase the value of your home more than marginally.
Kitchen Extensions

Kitchen Extension
Our portfolio of Kitchen extensions in Birmingham is ever growing and we build top of the range kitchen extensions that are modern and suited to your needs. Depending on the type of kitchen extension you go for, you can expand your living space and transform your current kitchen into a much larger space to create great memories.
Simply Extend is part of the Simply Construction group that includes Simply Loft and Simply Basement.















